@article{IVM_2015_9_a3,
     author = {S. E. Samokhvalov and E. B. Balakireva},
     title = {Group-theoretic matching of the length principle and equality principle in geometry},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {31--45},
     publisher = {mathdoc},
     number = {9},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2015_9_a3/}
}